1、確定要刪除的數據庫
SQL> show parameter instance_name;
NAME TYPE VALUE
instance_name string THCZY
2、一致性關閉數據庫
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
3、啓動數據庫到限制排它模式
SQL> startup restrict exclusive force mount;
ORACLE instance started.
Total System Global Area 8752005120 bytes
Fixed Size 2253456 bytes
Variable Size 1979714928 bytes
Database Buffers 6744440832 bytes
Redo Buffers 25595904 bytes
Database mounted.
SQL> show parameter instance_name;
NAME TYPE VALUE
instance_name string THCZY
4、刪除收據庫
SQL> drop database;